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43

ICASSP
2008
IEEE

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On quantifying the effects of noncircularity on the complex fastica algorithm

14 years 5 months ago

On quantifying the effects of noncircularity on the complex fastica algorithm

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The complex fast independent component analysis (c-FastICA) algorithm is one of the most popular methods for solving the ICA problem with complex-valued data. In this study, we extend the work of Bingham and Hyv¨arinen [1] by deriving conditions for local stability for the more general case of noncircular sources. We use the results of the analysis to quantify the effects of noncircularity on the performance of the algorithm using various nonlinearities and source distributions. Simulations are presented to demonstrate the results of our analysis.

Mike Novey, Tülay Adali

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Added	30 May 2010
Updated	30 May 2010
Type	Conference
Year	2008
Where	ICASSP
Authors	Mike Novey, Tülay Adali

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